diff --git a/.gitignore b/.gitignore
index 1018f24..293e818 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,5 @@ xfce4-panel-4.6.4.tar.bz2
 /xfce4-panel-4.13.7.tar.bz2
 /xfce4-panel-4.14.0.tar.bz2
 /xfce4-panel-4.14.1.tar.bz2
+/xfce4-panel-4.14.4.tar.bz2
+/xfce4-panel-4.16.3.tar.bz2
diff --git a/sources b/sources
index 77e2576..8feeb15 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (xfce4-panel-4.14.1.tar.bz2) = 1c86362489677f2e04cf3b98dbc1a80b4998335c00a47d256e741446f00437ad04539041648848eca1f45fa1fa70974ca6cf65cb7f762a79a46c16484557e400
+SHA512 (xfce4-panel-4.16.3.tar.bz2) = 08ac27d59a4e08229e170a1c7ffb7a981ae1d3ab1548850cd815a0de64c47d1c20d69f6585c2ec9890b060483bfd569fc52ebd88db0d1264ebca00c1b0bb38fa
diff --git a/xfce4-panel-4.8.2-defaults.patch b/xfce4-panel-4.8.2-defaults.patch
deleted file mode 100644
index f1e76fd..0000000
--- a/xfce4-panel-4.8.2-defaults.patch
+++ /dev/null
@@ -1,18 +0,0 @@
---- xfce4-panel-4.8.2.orig/migrate/default.xml	2011-02-25 21:58:41.000000000 +0100
-+++ xfce4-panel-4.8.2/migrate/default.xml	2011-03-08 17:32:41.422505698 +0100
-@@ -13,6 +13,7 @@
-         <value type="int" value="4"/>
-         <value type="int" value="5"/>
-         <value type="int" value="6"/>
-+        <value type="int" value="15"/>
-       </property>
-     </property>
-     <property name="panel-1" type="empty">
-@@ -38,6 +39,7 @@
-     <property name="plugin-4" type="string" value="pager"/>
-     <property name="plugin-5" type="string" value="clock"/>
-     <property name="plugin-6" type="string" value="systray"/>
-+    <property name="plugin-15" type="string" value="xfce4-mixer-plugin"/>
-     <property name="plugin-7" type="string" value="showdesktop"/>
-     <property name="plugin-8" type="string" value="separator"/>
-     <property name="plugin-9" type="string" value="launcher">
diff --git a/xfce4-panel.spec b/xfce4-panel.spec
index 2cd810d..d20ccc6 100644
--- a/xfce4-panel.spec
+++ b/xfce4-panel.spec
@@ -1,22 +1,28 @@
-%global xfceversion 4.14
+%global xfceversion 4.16
+
+%global namespc Libxfce4panel
+
+%global __provides_exclude_from ^%{_libdir}/xfce4/panel/plugins/.*\\.so$
+# vapigen failed with vala 0.47:
+# https://bugzilla.xfce.org/show_bug.cgi?id=16426
+# It is safe to disable vapigen by now, since no package in Fedora requires the
+# vapi
+%global _with_vala 0
 
 Name:           xfce4-panel
-Version:        4.14.1
+Version:        4.16.3
 Release:        1%{?dist}
 Summary:        Next generation panel for Xfce
 
 License:        GPLv2+ and LGPLv2+
 URL:            http://www.xfce.org/
-#VCS git:git://git.xfce.org/xfce/xfce4-panel
 Source0:        http://archive.xfce.org/src/xfce/%{name}/%{xfceversion}/%{name}-%{version}.tar.bz2
 
 # clock icon taken from system-config-date, license is GPLv2+
 Source1:        xfce4-clock.png
 Source2:        xfce4-clock.svg
-## Downstream patches
-# FIXME: do the patch once SIG has decided about a panel layout
-## Patch10:        xfce4-panel-4.8.2-defaults.patch
 
+BuildRequires:  make
 BuildRequires:  gcc-c++
 BuildRequires:  gtk3-devel
 BuildRequires:  libxfce4ui-devel >= %{xfceversion}
@@ -31,40 +37,18 @@ BuildRequires:  intltool
 BuildRequires:  desktop-file-utils
 BuildRequires:  gtk-doc
 BuildRequires:  gobject-introspection-devel
-BuildRequires:  vala
+BuildRequires:  libdbusmenu-gtk3-devel
 
-# xfce4-iconbox isn't in Xfce 4.4
-Obsoletes:      xfce4-iconbox <= 4.2.3-4.fc6
-# xfce4-systray isn't in Xfce 4.4
-Obsoletes:      xfce4-systray <= 4.2.3-3.fc6
-# xfce4-toys isn't in Xfce 4.4
-Obsoletes:      xfce4-toys <= 4.2.3-3.fc6
-# xfce4-trigger-launcher isn't in Xfce 4.4
-Obsoletes:      xfce4-trigger-launcher <= 4.2.3-3.fc6
-# xfce4-showdesktop-plugin isn't in Xfce 4.4
-Obsoletes:      xfce4-showdesktop-plugin <= 0.4.0-7.fc6
-# xfce4-taskbar-plugin isn't in Xfce 4.4
-Obsoletes:      xfce4-taskbar-plugin <= 0.2.2-7.fc6
-# xfce4-windowlist-plugin isn't in Xfce 4.4
-Obsoletes:      xfce4-windowlist-plugin <= 0.1.0-7.fc6
-# xfce4-xmms-plugin isn't in F11
-Obsoletes:      xfce4-xmms-plugin <= 0.5.1-3.fc11
-# xfce4-volstatus-icon isn't in F15
-Obsoletes:      xfce4-volstatus-icon <= 0.1.0-7.fc15
-# xfce4-stopwatch-plugin isn't in F15
-Obsoletes:      xfce4-stopwatch-plugin <= 0.2.0-3.fc15
-# xfce4-xfapplet-plugin isn't in F15
-Obsoletes:      xfce4-xfapplet-plugin <= 0.1.0-10.fc15
-# xfce4-radio-plugin isn't in f22
-Obsoletes:      xfce4-radio-plugin <= 0.5.1-10.fc22
-# xfce4-quicklauncher-plugin isn't in f22
-Obsoletes:      xfce4-quicklauncher-plugin <= 1.9.4-20.fc22
-# xfce4-modemlights-plugin isn't in f22
-Obsoletes:      xfce4-modemlights-plugin <= 0.1.3.99-18.fc22
-# xfce4-xfswitch-plugin isn't in f22
-Obsoletes:      xfce4-xfswitch-plugin <= 0.0.1-13.fc22
-# xfce4-wmdock-plugin isn't in f22
-Obsoletes:      xfce4-wmdock-plugin <= 0.3.4-12.fc22
+%if %{_with_vala}
+BuildRequires:  vala
+%endif
+
+# obsolete old plugins
+Obsoletes:      orage < 4.12.1-17.fc34
+Obsoletes:      xfce4-embed-plugin < 1.6.0-13.fc34
+Obsoletes:      xfce4-cellmodem-plugin < 0.0.5-29.fc34
+Obsoletes:      xfce4-kbdleds-plugins < 0.0.6-20.fc34
+Obsoletes:      xfce4-hardware-monitor-plugin < 1.6.0-11
 
 %description
 This package includes the panel for the Xfce desktop environment.
@@ -83,7 +67,6 @@ plugins for xfce4-panel.
 
 %prep
 %setup -q
-#patch10 -p1 -b .default
 
 # Fix icon in 'Add new panel item' dialog
 sed -i 's|Icon=office-calendar|Icon=xfce4-clock|g' plugins/clock/clock.desktop.in.in
@@ -105,19 +88,8 @@ export LD_LIBRARY_PATH="`pwd`/libxfce4panel/.libs"
 %install
 %make_install
 
-# fix permissions for installed libs
-chmod 755 %{buildroot}%{_libdir}/*.so
-
 find %{buildroot} -name '*.la' -exec rm -f {} ';'
 
-# remove duplicate docs
-rm -f %{buildroot}%{_docdir}/xfce4-panel/README.gtkrc-2.0
-
-# FIXME: We need to own these dirs until all plugins are ported to Xfce 4.8
-mkdir -p %{buildroot}%{_libexecdir}/xfce4/panel-plugins
-mkdir -p %{buildroot}%{_libdir}/xfce4/panel-plugins
-mkdir -p %{buildroot}%{_datadir}/xfce4/panel-plugins
-
 %find_lang %{name}
 
 desktop-file-validate %{buildroot}/%{_datadir}/applications/panel-desktop-handler.desktop
@@ -129,22 +101,20 @@ install -pm 0644 %{SOURCE2} %{buildroot}%{_datadir}/icons/hicolor/scalable/apps/
 
 %files -f %{name}.lang
 %license COPYING
-%doc AUTHORS ChangeLog NEWS README docs/README.gtkrc-2.0
+%doc AUTHORS ChangeLog NEWS
 %config(noreplace) %{_sysconfdir}/xdg/xfce4/panel/default.xml
 %{_bindir}/*
 %{_libdir}/libxfce4panel-*.so.*
 %{_libdir}/xfce4/panel/
-%{_libdir}/girepository-1.0/libxfce4panel-2.0.typelib
-%{_datadir}/gir-1.0/libxfce4panel-2.0.gir
+%{_libdir}/girepository-1.0/%{namespc}-2.0.typelib
+%{_datadir}/gir-1.0/%{namespc}-2.0.gir
 %{_datadir}/icons/hicolor/*/*/*
 %{_datadir}/xfce4/panel/
 %{_datadir}/applications/*.desktop
+%if %{_with_vala}
 %{_datadir}/vala/vapi/libxfce4panel-2.0.deps
 %{_datadir}/vala/vapi/libxfce4panel-2.0.vapi
-# FIXME: Remove these when no longer needed
-%dir %{_libexecdir}/xfce4/panel-plugins/
-%dir %{_libdir}/xfce4/panel-plugins
-%dir %{_datadir}/xfce4/panel-plugins
+%endif
 
 %files devel
 %{_libdir}/pkgconfig/*
@@ -153,6 +123,12 @@ install -pm 0644 %{SOURCE2} %{buildroot}%{_datadir}/icons/hicolor/scalable/apps/
 %{_includedir}/xfce4/libxfce4panel-*/
 
 %changelog
+* Sat Jul 31 2021 Mukundan Ragavan <nonamedotc@fedoraproject.org> - 4.16.3-1
+- Update to 4.16.3
+
+* Fri May 29 2020 Mukundan Ragavan <nonamedotc@fedoraproject.org> - 4.14.4-1
+- Update to 4.14.4
+
 * Wed Sep 25 2019 Mukundan Ragavan <nonamedotc@fedoraproject.org> - 4.14.1-1
 - Update to 4.14.1